Lock for valves



W. O. KAISER LOOK FOR VALVES Filed April 24, 1923 June 15 ,1926.

INVENTOR MIL/,7 aJm/sm,

7 ATTORNEY Patented June 15 1926.

UNITED STATES WILLIAM O. KAISER, OF OAKLAND, CALIFORNIA.

LOOK FOR VALVES.

Application filed April 24, 1923. Serial No. 634,274.

* My invention is an improved lock for valves and particularly for gas cocks.

One object of my invention is to provide a lock which may be easily applied to the present standard form of gas cock.

Another object is to provide a lock which is simple in construction and efficient in operation.

Referring to the annexed drawing in which my invention'is illustrated:

Figure 1 is a front view of my valve lock in position on a gas cock.

Figure 2 is a rear view partly in section of my lock in position on a gas cook.

Figure 3 is a plan view of the gas cock body with the plug in section.

Figure 4: is a side view of my locking sleeve.

Figure 5 is a bottom plan View of my sleeve.

Figure 6 is a front view of the sleeve spring.

Referring more particularly to the drawing: the gas cook upon which my lock is placed has a body 1, a plug 2 in said body, and a handle 3 secured to the plug. Two adjoining notches 4t and 5 are formed in the top of the body 1, the notch 5 being deeper than the notch 4. V

A sleeve 6 surrounds the plug 2 above the body 1, and has a notch 7 formed therein through which the handle 3 is adapted to project. The notch 7 is formed with a sufficient depth to allow a small vertical movement of the sleeve 6. An arcuate lug 8 depends from the bottom of the sleeve 6 and is adapted to fit snugly within the notch 5 and thus prevent the sleeve and consequently the handle 3 from turning. When the sleeve 6 is raised to bring the lug 8 to the level of the notch a the handle 3 open the cock.

A spring 9 is provided to force the sleeve 6 downwardly and return the lug 8 into the notch 5, thus locking the handle in the closed position. The spring is formed with a hooked end 10 which engages the lower edge of the notch 7, and a pair of upwardly may be rotated to head 12 of the plug 2.

bent arms 1111 which bear against the A skirt 13 is formed on the bottom of the sleeve 6 which covers the notches 4 and 5 and the lug 8, thus making a neater appearing look. A flange 14 is formed at the top of the sleeve 6 with which the sleeve may be readily lifted. Figure 2 shows the position of the parts when the valve is closed, at which time lug 8 is seated in the notch 5. Vhen it is desired to open the valve so that the jet may be ignited, the sleeve 6 is raised and the handle is turned toward the operator so that the lower surface of the arcuate lug 8 slides over the upper surface of the notch 4. When the lug 8 engages the extreme end of the notch 4 the valve will then be opened to its maximum extent.

Having described my invention I claim:

1. In combination with a valve having a body, a plug, a handle on said plug, said body having two notches formed therein, one of said notches being deeper than the other, a sleeve surrounding said plug and a lug on the bottom of said sleeve adapted to project into either of said notches.

2. In combination with a valve having a body, a plug, a handle on said plug, said body having a plurality ofstepped notches. formed therein, a sleeve surrounding said plug and a lug on said sleeve adapted to project into either of said notches, said sleeve having a notch formed therein through which said handle is adapted to project. i

3. In combination with a valve having a body, a plug, a handle on said plug, said body having two notches formed therein, a sleeve surrounding said plug, a lug on said sleeve adapted to project into either of said notches, said sleeve having a notch formed therein through which said handle is adapt ed to project and a skirt depending from said sleeve and surrounding said lug and notches.

4. In combination with a valve having a body, a plug, a handle on said plug, said body having a notch formed therein, a sleeve surrounding said plug, a lug on said sleeve adapted to project into said notch, and a spring adapted to urge said sleeve downwardly, said spring comprising a hook adapted co engage said sleeve and arms adapted to bear against said'plug.

5. In combination With a valve having a body, a plug, a handle on said plug, said body having two notches formed therein, a sleeve surrounding said plug, a lug on said sleeve adapted to project into either of said 1 notches, said sleeve having a notch formed therein through which said handle is adapted to project, and a spring adapted to urge said sleeve downwardly, said spring comprising a hook adapted to engage said sleeve 15 and arms adapted to bear against said plug. In testimony whereof I affix my signature.

WILLIAM G. KAisER. 

